Magnet for bowling alleys



Oct. 21, 1930. G. o. WARDROP.

MAGNET FOR BOWLING ALLEYS Filed April 19 1929 Patented Oct. 21, .1930

GBOVER o.' WARDROPQOF UsKEGo MICHIGAN, Assmiron tro' rian nrwnswicir-t' ZBALKE-COLLENDER company, or CHICAGO, ILLmQIsLA CORPORATION OFfDELA- j WARE a A plication mea -A ia 9,

My invention relates tomagnets and "moreparticularly'to magnetsl disposed inthebeds vention is an improvement in the magnet of bowling alleysto maintain bowling pins a having suitable armatures in thebases there'- of, in proper'allgnment-ior' play; Thls 11 1-- shown in my coq vending application, Serial bowling pin which engages the poles oft/he niagnet. V

. "asfthedescriptionproceeds.

' 1 Fig. l is asectional view throu'gh'a magnet and bowling pin embodying my invention,

: showing the bowling alley be'dbrolzen away;

where abowlingpin 12 is to be located. 5 we I 7 Attached to the; 'ndersurtaceof {bracket/14L.- This suppo'rt'fniay be agmetal':

' casting, or'formedioi' other material and is of the bedl';

Another obj is to-protidefa mounting the magnet which will permit ofthe'ready:

v cilitate the replacement of a magnet-lafter it loses strength. 7 1

" disposed hangers 16-whfich are'providedin their confronting surfaces withaligned sub-p stantially vertical grooves 17 terminating short ofthelower ends of'the' hangers.

v A U-shapedmagnet- 20' hasaligned aper- 1 tures 21 in its legs 22to loose'ly receive a pin v thewidth of the magnetJsQ thatwhen .dise';

One object ofmy invention is to provide a mounting which will support the magnet in removalof the magnet by an operator from above the bedofthe alley and will thus fa- Other; objects and In the accompanying 'drawingsf Fig. 2 isa sectional iew on the tline2+2 of Fig. 1.-

a "The alley bed 10 has ahole l l at each-point by means of woodscrews'13 is a support or,

a size greater than that of the hole 11.! ;-In-its' central portion'it isflpr'ovidedrwith an open ing15 which is aligned with the holeill in.

Dependin the support" are oppositely 23., The pin 23 is'of-a. greater length than spot between the apertures26 and has arecess :at itsjlower end whichlloosely, receives the. i inaa 1 j I: j

j' .Itywi-ll be: noted that :this construction will "permitithe lateral swinging of'the magnet H 'cal sliding of the magnet in .grooves"l7-.

riiandj lthus" hold it jmo .dentalfrelease.

MAGNE'T non BOWL-IVNG L'LnYs I laterally: beyond the legs to form ftrunnions j which are mounted in the grooves 17.

V ;,The,hole ll i's closed by means of a pin i w 24 which isprovidedwith elongated aper- :tures26 in its .centraliportion of'a size to loose-L,

lyre ceivethe ends "of the leg 22. ofthe mag H net, anda lug-or stop 27 depends from the pin with respect to its supportyas well as a ve n;

Jos j Thepin spot and the'supportare firmly ;ly in p lace and: also I serve to align and tlieparts firmly to the be dif attimes interposed between theiarmature and connect edtogether and tojthe bedby means v :Theb'owlingpin 1s provided witha-longi tu dinal bore 29 receiving an elastic tether .30 7 ,7 whichften'ds to elevate'thepinas describedin my'atorementioned application and it hasan aarmature 3liinarecess32 in its base whichris I v d attracted by the magnet and thus-maintains the bowlingfpin in playing-position. 'fParticlesofdirtand otheriminor obstructionsare v the pin'spotand-therefore if the magnetwere i 1 fixed in positioni't could not exert a maximum i f fiforce on the armature- 1 Butbecause of the. jmovability of the magnet it isfenabled to T lie securely'against acci-. I

Thel armature lha s ashanl: 3 tendingupwa'r'dly into'jthe recess and having threadedrelation withia sleejeta, which in I V turn is threaded; into the-body. of the pin 1 3 i qe ediia a n t tlirn g m v e b means 'Qf featherLBSilQY A split bushing36 isenclosedfby the' 'slee e-j34 and grips an 'enlargement' or head on the elastic tether 30.! A-i washer 38 i s' interposed'betweenrthe g sleeve.:;? 4= andg thejwalljoflthezrecess 32 and] i is uch; si jze sto, prevent up n ii heesli bu hin 1t imini n In assembling the parts, the support 14 is screwed tov the bottom of the bed as described, and the magnet with its pin 23 is passed through the hole'in the bed, with the projecting ends of the pin aligning with the grooves 17 which guide them into position. The pin spot is then secured in place. The magnet loses strength after prolonged V V usage and in order to replace it, it is simply necessary totake ofi the pingspot Q rfland lift-the magnet from its mountingin. the

l grooves 17. Thereafter another magnet may fall by gravity to proper position.

operations are perforinedfi'roin-- above-the bed ofthe ialley audit is unnecessary for he slipped into the support; andallowedto These I thevwo-rkman to et underneath it.

. a b e .'3. The combination with a bowling alley bed" having a hole therein, of afpinspot in f depending hangers n V bed li'avin'g a'ho'le therein, eta-pin spot-in said hole ha ving anap'erture therein, a mag, net extending through said: aperture .and' v-having aipoledisposed adj acent 'the-exposed: face of said spot, a support for magnet :saidbedadjacentsaid hole, 7

dependent of saidsecuri'ngfmeans, saidlsupportto maintain"said'pinfspotiand -i fsaid'support'in assembled relatiom i f 6;QI'n a device 1 of; th e "class describedfa pecific The invention is not limited to the s contemplated within the scope of the appended claims.

What I elainras new and'desire tosecure by Letters Patent1is:

"1'. The combination with a bowl ing'al-ley bed having a holetherein, of a pin spot in" saidhole, a magnet havin its poles acent a a said pin spot,*and a support loosely carrying the magnet. j

said 1 hole, a magnet having its [poles adja-l cent'said pin spot, and a support on which said magnet is movably 1nounted said pin spot having means for hm t ngthe I nove' V v N p v I 10..The combination of a bowhng pin,

-ment of. ,said magnet.

sai'dlhole, a Ymagnet having its poles cent said piri'spot, and-asupport having WlllChxSfiilCl magnetis loosely mounted.

J4L1The combination with a bowling alley :bed having a holetherein, of a pin spot removably'secured insaid hole, a magnet hav- "ingQit'spoles adjacent the exposed face of '1 said pln spot,' and'a support hav ng depend I ing"hangersgprov ded w th vertical grooves,

in which said magnet is movably 'mounted.

5'." The combination witha bowling alley havingmeans tosecnre'itl to? the .ottoni of =with"said armature. V r I armature when magnet.

tical grooves, a magnet having trunnions .movably mounted in said grooves, and a pin The combination of a bowling alley bed hav ng a hole therein, a pin spotremovably secured. in said; hole; and provided; with an aperture, a magnet? having. wanpolejldisposed in'saidaperture, and means supportrng said magnet jforgqmovement in said hole, said 'mag'net beingdetachable from sa d supportmgmeans andupwardlymovable through said hole on th e j'removal of said pin spot.

' i 8;fThecombination' oi showing alley bed having a hole thereim'apinspot removably secured 1n said hole havingspaced apertures, a support aligned with said hole, grooved hangers depending from said support, shaped magnet, a pin extending throughthe legs of said magnet and having ends con stltuting trunmons loosely mounted 1n said 7 grooves, said legs of said magnet being mounted n said spaced aperturespanda lug on :s'aid pin spot extending between the'leg armature "in the base thereof, an alley bed hav ng an opening. thereln and a magnet able-into close'j contact withffsaid armature.-

an armature 3 the base thereof, analley bed having apa' r of spaced openmgs there n, a magnet having poles extending when engagedi by said -armature, whereby said poles are brought into close contact 11.;The combination ofa bowling an armature inthefba'sef'thereof, an alley bed 'ha-ving'an'opening thereinjand 'an armature extending through said opening and pivoted V forimovement therein to permit movement of said magnetfintdclose contact with said.

gln testimony whereof I hereunto subscribe 1 portions of said magnet and limiting theup mm and; lateral movement of said pin. V V i V '9. The'combi'nation of abowlingpim'an 2. The combination fwith a howlingfalley" bed having, a hole therein,rof a pin spot in v in said opening movably secured to said bed whereby on the engagementof said arma ture with said magnet, said magnet is shift through said openings to the' face of said and amountingforlretaining said mag net OITSHJChbGd but permitting v it to move {said pin is rdepo sited on said i i 1 we i "sto s Q-FWABDBQP? 

